Screen size
Galaxy Tab S12+Winner: 12.6"+60%
Z35.0"
Quick verdict
Galaxy Tab S12+ leads the measured specs 18-3.
Measured wins
Galaxy Tab S12+
18
spec wins
Overall winner
Ties
2
equal specs
Z3
3
spec wins
Screen size
Technology
Galaxy Tab S12+
GSM / HSPA / LTE / 5G
Z3
GSM / HSPA
2G bands
Galaxy Tab S12+
GSM 850 / 900 / 1800 / 1900
Z3
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Galaxy Tab S12+
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Z3
HSDPA 900 / 2100
4G bands
Galaxy Tab S12+
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
NFC
equal specs3.5mm jack
SD card
equal specsStereo speakers
Z3
-
5G bands
Galaxy Tab S12+
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 71, 75, 77, 78 SA/NSA/Sub6
Z3
-
Speed
Galaxy Tab S12+
HSPA, LTE, 5G - cellular model only
Z3
HSPA
Announced
Galaxy Tab S12+
2026, September 30
Z3
2015, October. Released 2015, October
Status
Galaxy Tab S12+
Available. Released 2026, October 07
Z3
Discontinued
Dimensions
Galaxy Tab S12+
289.5 x 187.8 x 5.3 mm (11.40 x 7.39 x 0.21 in)
Z3
141.6 x 70 x 7.9 mm (5.57 x 2.76 x 0.31 in)
Weight
Galaxy Tab S12+
553 g or 555 g (1.22 lb)
Z3
137 g (4.83 oz)
Build
Galaxy Tab S12+
Glass front, aluminum frame, aluminum back
Z3
-
SIM
Galaxy Tab S12+
Nano-SIM + eSIM (cellular model only)
Z3
Hybrid Dual SIM (Micro-SIM, dual stand-by)
Other
Galaxy Tab S12+
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus support Enhanced Armor Aluminum
Z3
-
Type
Galaxy Tab S12+
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Z3
Super AMOLED
Size
Galaxy Tab S12+
12.6 inches, 460.6 cm2 (~84.7% screen-to-body ratio)
Z3
5.0 inches, 68.9 cm2 (~69.5% screen-to-body ratio)
Resolution
Galaxy Tab S12+
1752 x 2800 pixels, 16:10 ratio (~262 ppi density)
Z3
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
OS
Galaxy Tab S12+
Android 17, up to 7 major OS updates, One UI 9
Z3
Tizen 2.3, upgradable to 2.4
Chipset
Galaxy Tab S12+
MediaTek Dimensity 9500 (3 nm)
Z3
Spreadtrum SC7730
CPU
Galaxy Tab S12+
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
Z3
Quad-core 1.3 GHz Cortex-A7
GPU
Galaxy Tab S12+
Mali-G1 Ultra MC12
Z3
Mali-400
Card slot
Galaxy Tab S12+
microSDXC (dedicated slot)
Z3
microSDXC (uses shared SIM slot)
Internal
Galaxy Tab S12+
256GB 12GB RAM, 512GB 12GB RAM
Z3
8GB 1GB RAM
Other
Galaxy Tab S12+
UFS
Z3
-
Single
Galaxy Tab S12+
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF
Z3
8 MP, f/2.2, AF
Features
Galaxy Tab S12+
LED flash, HDR, panorama
Z3
LED flash, panorama, HDR
Video
Galaxy Tab S12+
4K@30fps, 1080p@30fps
Z3
720p@30fps
Single
Galaxy Tab S12+
12 MP, f/2.4, 120˚ (ultrawide)
Z3
5 MP, f/2.2
Features
Galaxy Tab S12+
HDR
Z3
-
Video
Galaxy Tab S12+
4K@30fps, 1080p@30fps
Z3
Loudspeaker
Galaxy Tab S12+
Yes, with stereo speakers (4 speakers)
Z3
Yes
3.5mm jack
Galaxy Tab S12+
No
Z3
Yes
WLAN
Galaxy Tab S12+
Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Z3
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
Galaxy Tab S12+
6.0, A2DP, LE
Z3
4.0, A2DP, LE
Positioning
Galaxy Tab S12+
GPS, GLONASS, BDS, GALILEO
Z3
GPS, GLONASS
NFC
Galaxy Tab S12+
No
Z3
No
Radio
Galaxy Tab S12+
No
Z3
FM radio
USB
Galaxy Tab S12+
USB Type-C 3.2, magnetic connector
Z3
microUSB 2.0, OTG
Sensors
Galaxy Tab S12+
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Z3
Accelerometer, proximity
Other
Galaxy Tab S12+
Wireless Samsung DeX (desktop experience support)
Z3
MP4/H.264 player MP3/WAV/AAC/Flac player Photo viewer Document viewer
Type
Galaxy Tab S12+
Li-Po 10600 mAh
Z3
Li-Ion 2600 mAh, removable
Charging
Galaxy Tab S12+
45W wired, 100% in 95 min
Z3
-
Talk time
Galaxy Tab S12+
-
Z3
Up to 15 h (3G)
Music play
Galaxy Tab S12+
-
Z3
Up to 55 h
Colors
Galaxy Tab S12+
Gray, Silver
Z3
Black, Silver, Gold
Models
Galaxy Tab S12+
SM-X840, SM-X846
Z3
SM-Z300H/DD, SM-Z300H
SAR EU
Galaxy Tab S12+
0.77 W/kg (body)
Z3
0.53 W/kg (head) 0.48 W/kg (body)
Price
Galaxy Tab S12+
About 1330 EUR
Z3
About 110 EUR
SAR
Galaxy Tab S12+
-
Z3
0.70 W/kg (head) 0.77 W/kg (body)